./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f062f388d3381df283a55bd56f3ce12c286c6f6b098aec3949c6489fe401ef67 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-13 22:42:47,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 22:42:47,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 22:42:47,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 22:42:47,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 22:42:47,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 22:42:47,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 22:42:47,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 22:42:47,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 22:42:47,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 22:42:47,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 22:42:47,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 22:42:47,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 22:42:47,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 22:42:47,687 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 22:42:47,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 22:42:47,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 22:42:47,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 22:42:47,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 22:42:47,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 22:42:47,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 22:42:47,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 22:42:47,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 22:42:47,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 22:42:47,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 22:42:47,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 22:42:47,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 22:42:47,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 22:42:47,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 22:42:47,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 22:42:47,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 22:42:47,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 22:42:47,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 22:42:47,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 22:42:47,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 22:42:47,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 22:42:47,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 22:42:47,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 22:42:47,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 22:42:47,698 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f062f388d3381df283a55bd56f3ce12c286c6f6b098aec3949c6489fe401ef67 [2024-10-13 22:42:47,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 22:42:48,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 22:42:48,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 22:42:48,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 22:42:48,006 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 22:42:48,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i [2024-10-13 22:42:49,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 22:42:49,779 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 22:42:49,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i [2024-10-13 22:42:49,796 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac6bfd3/f7ebeb82c4b1465dacbe9bc3987038a9/FLAG87116b5cf [2024-10-13 22:42:49,814 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76ac6bfd3/f7ebeb82c4b1465dacbe9bc3987038a9 [2024-10-13 22:42:49,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 22:42:49,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 22:42:49,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 22:42:49,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 22:42:49,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 22:42:49,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:42:49" (1/1) ... [2024-10-13 22:42:49,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a919a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:49, skipping insertion in model container [2024-10-13 22:42:49,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:42:49" (1/1) ... [2024-10-13 22:42:49,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 22:42:50,030 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i[1088,1101] [2024-10-13 22:42:50,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 22:42:50,190 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 22:42:50,205 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i[1088,1101] [2024-10-13 22:42:50,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 22:42:50,276 INFO L204 MainTranslator]: Completed translation [2024-10-13 22:42:50,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50 WrapperNode [2024-10-13 22:42:50,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 22:42:50,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 22:42:50,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 22:42:50,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 22:42:50,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,322 INFO L138 Inliner]: procedures = 126, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-10-13 22:42:50,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 22:42:50,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 22:42:50,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 22:42:50,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 22:42:50,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,338 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,355 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-10-13 22:42:50,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 22:42:50,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 22:42:50,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 22:42:50,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 22:42:50,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (1/1) ... [2024-10-13 22:42:50,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 22:42:50,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 22:42:50,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 22:42:50,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 22:42:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 22:42:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 22:42:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 22:42:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure set_g_to_keyword [2024-10-13 22:42:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure set_g_to_keyword [2024-10-13 22:42:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 22:42:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 22:42:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 22:42:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 22:42:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 22:42:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 22:42:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 22:42:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 22:42:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 22:42:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 22:42:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 22:42:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 22:42:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 22:42:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 22:42:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 22:42:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 22:42:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 22:42:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 22:42:50,633 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 22:42:50,635 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 22:42:50,789 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-10-13 22:42:50,790 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 22:42:50,854 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 22:42:50,857 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 22:42:50,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:42:50 BoogieIcfgContainer [2024-10-13 22:42:50,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 22:42:50,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 22:42:50,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 22:42:50,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 22:42:50,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:42:49" (1/3) ... [2024-10-13 22:42:50,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48aea607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:42:50, skipping insertion in model container [2024-10-13 22:42:50,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:50" (2/3) ... [2024-10-13 22:42:50,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48aea607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:42:50, skipping insertion in model container [2024-10-13 22:42:50,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:42:50" (3/3) ... [2024-10-13 22:42:50,872 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_42-poison-reduced_true.i [2024-10-13 22:42:50,914 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 22:42:50,915 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 22:42:50,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 22:42:50,986 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1bd77dfe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 22:42:50,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 22:42:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 22:42:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-13 22:42:50,998 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:42:50,999 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-13 22:42:50,999 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 22:42:51,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:42:51,006 INFO L85 PathProgramCache]: Analyzing trace with hash 2239388, now seen corresponding path program 1 times [2024-10-13 22:42:51,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 22:42:51,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152601962] [2024-10-13 22:42:51,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:42:51,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 22:42:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:42:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 22:42:51,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 22:42:51,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152601962] [2024-10-13 22:42:51,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152601962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 22:42:51,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 22:42:51,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 22:42:51,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423003219] [2024-10-13 22:42:51,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 22:42:51,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 22:42:51,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 22:42:51,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 22:42:51,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 22:42:51,186 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 22:42:51,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 22:42:51,210 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2024-10-13 22:42:51,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 22:42:51,213 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-13 22:42:51,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 22:42:51,218 INFO L225 Difference]: With dead ends: 21 [2024-10-13 22:42:51,219 INFO L226 Difference]: Without dead ends: 10 [2024-10-13 22:42:51,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 22:42:51,224 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 22:42:51,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 22:42:51,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-10-13 22:42:51,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-13 22:42:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 22:42:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-10-13 22:42:51,249 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 4 [2024-10-13 22:42:51,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 22:42:51,249 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-10-13 22:42:51,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 22:42:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-10-13 22:42:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 22:42:51,250 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:42:51,251 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 22:42:51,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 22:42:51,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 22:42:51,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:42:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1131563513, now seen corresponding path program 1 times [2024-10-13 22:42:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 22:42:51,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768175522] [2024-10-13 22:42:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:42:51,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 22:42:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 22:42:51,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 22:42:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 22:42:51,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 22:42:51,397 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 22:42:51,399 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-13 22:42:51,402 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-13 22:42:51,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 22:42:51,406 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 22:42:51,424 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 22:42:51,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:42:51 BoogieIcfgContainer [2024-10-13 22:42:51,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 22:42:51,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 22:42:51,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 22:42:51,430 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 22:42:51,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:42:50" (3/4) ... [2024-10-13 22:42:51,434 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 22:42:51,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 22:42:51,436 INFO L158 Benchmark]: Toolchain (without parser) took 1617.28ms. Allocated memory was 153.1MB in the beginning and 226.5MB in the end (delta: 73.4MB). Free memory was 96.2MB in the beginning and 167.7MB in the end (delta: -71.5MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-10-13 22:42:51,437 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 153.1MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 22:42:51,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.58ms. Allocated memory is still 153.1MB. Free memory was 96.2MB in the beginning and 77.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 22:42:51,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.07ms. Allocated memory is still 153.1MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 22:42:51,438 INFO L158 Benchmark]: Boogie Preprocessor took 59.12ms. Allocated memory is still 153.1MB. Free memory was 75.7MB in the beginning and 73.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 22:42:51,438 INFO L158 Benchmark]: RCFGBuilder took 478.17ms. Allocated memory is still 153.1MB. Free memory was 73.2MB in the beginning and 122.5MB in the end (delta: -49.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-10-13 22:42:51,439 INFO L158 Benchmark]: TraceAbstraction took 566.66ms. Allocated memory was 153.1MB in the beginning and 226.5MB in the end (delta: 73.4MB). Free memory was 121.9MB in the beginning and 167.7MB in the end (delta: -45.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-10-13 22:42:51,439 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 226.5MB. Free memory is still 167.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 22:42:51,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 153.1MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.58ms. Allocated memory is still 153.1MB. Free memory was 96.2MB in the beginning and 77.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.07ms. Allocated memory is still 153.1MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.12ms. Allocated memory is still 153.1MB. Free memory was 75.7MB in the beginning and 73.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.17ms. Allocated memory is still 153.1MB. Free memory was 73.2MB in the beginning and 122.5MB in the end (delta: -49.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * TraceAbstraction took 566.66ms. Allocated memory was 153.1MB in the beginning and 226.5MB in the end (delta: 73.4MB). Free memory was 121.9MB in the beginning and 167.7MB in the end (delta: -45.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 226.5MB. Free memory is still 167.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 579]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 579. Possible FailurePath: [L551] jmp_buf env_buffer; [L568] struct c* ab = malloc(sizeof(struct c)); [L569] int x; VAL [ab={-1:0}] [L570] COND FALSE !(_setjmp (env_buffer)) [L575] CALL set_g_to_keyword(ab) VAL [\old(t)={-1:0}] [L563] char keyword[20]; [L564] keyword[0] = 'a' [L565] t->g = keyword [L575] RET set_g_to_keyword(ab) VAL [ab={-1:0}] [L576] x = 1 [L577] CALL u(ab) [L556] EXPR t->g [L556] EXPR t->g [L556] COND TRUE *t->g [L557] return 2; VAL [\result=2] [L577] RET u(ab) [L578] x = 2 [L579] longjmp(env_buffer, 1) - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-13 22:42:51,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f062f388d3381df283a55bd56f3ce12c286c6f6b098aec3949c6489fe401ef67 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-13 22:42:53,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 22:42:53,823 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-13 22:42:53,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 22:42:53,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 22:42:53,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 22:42:53,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 22:42:53,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 22:42:53,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 22:42:53,866 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 22:42:53,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 22:42:53,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 22:42:53,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 22:42:53,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 22:42:53,871 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 22:42:53,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 22:42:53,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 22:42:53,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 22:42:53,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 22:42:53,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 22:42:53,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 22:42:53,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 22:42:53,874 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 22:42:53,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 22:42:53,875 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 22:42:53,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 22:42:53,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 22:42:53,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 22:42:53,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 22:42:53,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 22:42:53,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 22:42:53,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 22:42:53,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 22:42:53,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 22:42:53,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 22:42:53,878 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 22:42:53,878 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-13 22:42:53,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 22:42:53,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 22:42:53,879 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 22:42:53,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 22:42:53,881 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 22:42:53,881 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f062f388d3381df283a55bd56f3ce12c286c6f6b098aec3949c6489fe401ef67 [2024-10-13 22:42:54,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 22:42:54,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 22:42:54,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 22:42:54,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 22:42:54,250 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 22:42:54,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i [2024-10-13 22:42:55,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 22:42:56,112 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 22:42:56,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i [2024-10-13 22:42:56,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9596de8da/4fea38e288734d418564e43a282c0868/FLAG10a8ef1df [2024-10-13 22:42:56,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9596de8da/4fea38e288734d418564e43a282c0868 [2024-10-13 22:42:56,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 22:42:56,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 22:42:56,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 22:42:56,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 22:42:56,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 22:42:56,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e33c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56, skipping insertion in model container [2024-10-13 22:42:56,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 22:42:56,398 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i[1088,1101] [2024-10-13 22:42:56,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 22:42:56,592 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 22:42:56,606 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_42-poison-reduced_true.i[1088,1101] [2024-10-13 22:42:56,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 22:42:56,702 INFO L204 MainTranslator]: Completed translation [2024-10-13 22:42:56,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56 WrapperNode [2024-10-13 22:42:56,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 22:42:56,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 22:42:56,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 22:42:56,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 22:42:56,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,758 INFO L138 Inliner]: procedures = 127, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-10-13 22:42:56,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 22:42:56,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 22:42:56,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 22:42:56,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 22:42:56,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,805 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-10-13 22:42:56,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 22:42:56,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 22:42:56,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 22:42:56,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 22:42:56,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (1/1) ... [2024-10-13 22:42:56,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 22:42:56,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 22:42:56,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 22:42:56,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 22:42:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-10-13 22:42:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-10-13 22:42:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-10-13 22:42:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure set_g_to_keyword [2024-10-13 22:42:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure set_g_to_keyword [2024-10-13 22:42:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 22:42:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-10-13 22:42:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 22:42:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-13 22:42:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-13 22:42:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-13 22:42:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 22:42:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 22:42:57,078 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 22:42:57,080 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 22:42:57,296 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-13 22:42:57,296 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 22:42:57,334 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 22:42:57,335 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 22:42:57,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:42:57 BoogieIcfgContainer [2024-10-13 22:42:57,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 22:42:57,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 22:42:57,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 22:42:57,341 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 22:42:57,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:42:56" (1/3) ... [2024-10-13 22:42:57,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796495a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:42:57, skipping insertion in model container [2024-10-13 22:42:57,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:42:56" (2/3) ... [2024-10-13 22:42:57,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796495a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:42:57, skipping insertion in model container [2024-10-13 22:42:57,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:42:57" (3/3) ... [2024-10-13 22:42:57,346 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_42-poison-reduced_true.i [2024-10-13 22:42:57,363 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 22:42:57,363 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-13 22:42:57,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 22:42:57,442 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f14aad0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 22:42:57,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-13 22:42:57,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 22:42:57,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-13 22:42:57,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:42:57,457 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-13 22:42:57,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 22:42:57,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:42:57,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2239388, now seen corresponding path program 1 times [2024-10-13 22:42:57,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 22:42:57,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412660791] [2024-10-13 22:42:57,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:42:57,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 22:42:57,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 22:42:57,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 22:42:57,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-13 22:42:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 22:42:57,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-13 22:42:57,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 22:42:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 22:42:57,642 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 22:42:57,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 22:42:57,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412660791] [2024-10-13 22:42:57,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412660791] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 22:42:57,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 22:42:57,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 22:42:57,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513749649] [2024-10-13 22:42:57,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 22:42:57,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 22:42:57,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 22:42:57,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 22:42:57,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 22:42:57,687 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 22:42:57,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 22:42:57,731 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2024-10-13 22:42:57,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 22:42:57,736 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-13 22:42:57,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 22:42:57,746 INFO L225 Difference]: With dead ends: 21 [2024-10-13 22:42:57,746 INFO L226 Difference]: Without dead ends: 10 [2024-10-13 22:42:57,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 22:42:57,754 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 22:42:57,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 22:42:57,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-10-13 22:42:57,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-13 22:42:57,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 22:42:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-10-13 22:42:57,786 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 4 [2024-10-13 22:42:57,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 22:42:57,786 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-10-13 22:42:57,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 22:42:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-10-13 22:42:57,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 22:42:57,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 22:42:57,787 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 22:42:57,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-13 22:42:57,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 22:42:57,991 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-13 22:42:57,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 22:42:57,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1131563513, now seen corresponding path program 1 times [2024-10-13 22:42:57,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 22:42:57,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341689239] [2024-10-13 22:42:57,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 22:42:57,996 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 22:42:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 22:42:58,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 22:42:58,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-13 22:42:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 22:42:58,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 22:42:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 22:42:58,219 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-13 22:42:58,219 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 22:42:58,225 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-13 22:42:58,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-13 22:42:58,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-13 22:42:58,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 22:42:58,431 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-13 22:42:58,445 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 22:42:58,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:42:58 BoogieIcfgContainer [2024-10-13 22:42:58,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 22:42:58,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 22:42:58,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 22:42:58,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 22:42:58,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:42:57" (3/4) ... [2024-10-13 22:42:58,452 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 22:42:58,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 22:42:58,454 INFO L158 Benchmark]: Toolchain (without parser) took 2304.13ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.7MB in the beginning and 40.5MB in the end (delta: 5.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-10-13 22:42:58,454 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 52.4MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 22:42:58,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.45ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 41.8MB in the end (delta: 3.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-10-13 22:42:58,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.21ms. Allocated memory is still 67.1MB. Free memory was 41.8MB in the beginning and 40.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 22:42:58,456 INFO L158 Benchmark]: Boogie Preprocessor took 77.80ms. Allocated memory is still 67.1MB. Free memory was 40.0MB in the beginning and 37.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 22:42:58,456 INFO L158 Benchmark]: RCFGBuilder took 495.36ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 38.9MB in the end (delta: -1.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-10-13 22:42:58,457 INFO L158 Benchmark]: TraceAbstraction took 1111.79ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.3MB in the beginning and 41.0MB in the end (delta: -2.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-10-13 22:42:58,457 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 40.5MB in the end (delta: 399.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 22:42:58,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 52.4MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.45ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 41.8MB in the end (delta: 3.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.21ms. Allocated memory is still 67.1MB. Free memory was 41.8MB in the beginning and 40.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.80ms. Allocated memory is still 67.1MB. Free memory was 40.0MB in the beginning and 37.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.36ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 38.9MB in the end (delta: -1.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1111.79ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.3MB in the beginning and 41.0MB in the end (delta: -2.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 40.5MB in the end (delta: 399.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 579]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 579. Possible FailurePath: [L551] jmp_buf env_buffer; [L568] struct c* ab = malloc(sizeof(struct c)); [L569] int x; VAL [ab={5:0}] [L570] COND FALSE !(_setjmp (env_buffer)) [L575] CALL set_g_to_keyword(ab) VAL [\old(t)={5:0}] [L563] char keyword[20]; [L564] keyword[0] = 'a' [L565] t->g = keyword [L575] RET set_g_to_keyword(ab) VAL [ab={5:0}] [L576] x = 1 [L577] CALL u(ab) [L556] EXPR t->g [L556] EXPR t->g [L556] COND TRUE *t->g [L557] return 2; [L577] RET u(ab) [L578] x = 2 [L579] longjmp(env_buffer, 1) - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-13 22:42:58,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample